7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84

General

Target

7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
Size

225KB
MD5

ba5293c1c050683e3c463793e6d41c20
SHA1

d5af53ce1019b9a01518c708059d7d59e3818caf
SHA256

7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84
SHA512

b9c8cd1e82e63ddfebcc7110b6f38fa5f472e4c1b87aaaf00c0d8e5d9e17639e636b0a88ed7c4b8edaceec1ea06003766db49eb94d1980bb648a1dc68d758e6e
SSDEEP

6144:vA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:vATuTAnKGwUAW3ycQqgf

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1828	2384	WerFault.exe	106
2636	3444	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2384	winver.exe
3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3412	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 2384	3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	106
PID 3444 wrote to memory of 2384	3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	106
PID 3444 wrote to memory of 2384	3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	106
PID 3444 wrote to memory of 2384	3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	106
PID 2384 wrote to memory of 3412	2384	winver.exe	56
PID 3444 wrote to memory of 3412	3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	56
PID 3444 wrote to memory of 2964	3444	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3412
- C:\Users\Admin\AppData\Local\Temp\7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
  "C:\Users\Admin\AppData\Local\Temp\7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3444
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 300
      4⤵
      Program crash
      PID:1828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 888
    3⤵
    - Program crash
    PID:2636

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2384 -ip 2384
1⤵
PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3444 -ip 3444
1⤵
PID:1652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2964-17-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/2964-23-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/3412-15-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/3412-8-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3412-9-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3444-4-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/3444-5-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/3444-6-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/3444-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3444-1-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/3444-14-0x0000000005810000-0x0000000006210000-memory.dmp

Filesize
10.0MB

Download
memory/3444-3-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download
memory/3444-18-0x0000000005810000-0x0000000006210000-memory.dmp

Filesize
10.0MB

Download
memory/3444-22-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/3444-2-0x0000000003D70000-0x0000000003D71000-memory.dmp

Filesize
4KB

Download

Analysis

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